Specifications

14
1.6 Keys
Key Assignments
The following is the keyboard layout employed in the terminal.
Table 1.8
KEY Android key event Operation Remarks
KEYCODE_BUTTON_A Assigned by user application.
KEYCODE_BUTTON_B Assigned by user application.
KEYCODE_VOLUME_UP Volume up
KEYCODE_VOLUME_DOW
N
Volume down
KEYCODE_POWER Power on/off
It is not possible to
control the ON / OFF
of the power supply.
Screen lock on/off
Can not get the
software event.
Please refer to the official web site "Android Developers" for details of the android key event.